Imitrex Nasal Spray

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Imitrex Nasal Spray

DRUG DESCRIPTION

IMITREX (sumatriptan) Nasal Spray contains sumatriptan, a selective 5-hydroxytryptamine1 receptor subtype agonist. Sumatriptan is chemically designated as 3-[2-(dimethylamino)ethyl]-N-methyl-1H-indole-5-methanesulfonamide, and it has the following structure:

The empirical formula is C14H21N3O2S,
representing a molecular weight of 295.4. Sumatriptan is a white to off-white
powder that is readily soluble in water and in saline. Each IMITREX Nasal Spray
contains 5 or 20 mg of sumatriptan in a 100-µL unit dose aqueous buffered
solution containing monobasic potassium phosphate NF, anhydrous dibasic sodium
phosphate USP, sulfuric acid NF, sodium hydroxide NF, and purified water USP.
The pH of the solution is approximately 5.5. The osmolality of the solution
is 372 or 742 mOsmol for the 5-and 20-mg IMITREX Nasal Spray (sumatriptan nasal spray) , respectively.

What are the possible side effects of sumatriptan (Imitrex, Imitrex Nasal)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using sumatriptan and call your doctor if you have a serious side effect such as:

What are the precautions when taking sumatriptan nasal spray (Imitrex Nasal Spray)?

Before using sumatriptan, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.